US Bridges

Strasburg Road over Wolf Creek

Fair

Adams County, Colorado · 1.5 MI North of 88th Ave · Structure no. ADA39N-099.2155

Built
1988
37 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
74 ft
5 main spans
Daily traffic
503
2021 count
Owner
County
County Highway Agency

About this bridge

Strasburg Road over Wolf Creek is a aluminum, wrought iron, or cast iron arch - deck carrying Strasburg Road over Wolf Creek in Adams County, Colorado. It was built in 1988, so it is 37 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 503 vehicles a day, roughly 5% of them trucks, projected to reach 654 by 2041. The structure is 74 ft (22.6 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStrasburg Road
CrossesWolf Creek
Location1.5 MI North of 88th Ave
RouteCounty Highway 0
Coordinates39.87504, -104.31961
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating44.8 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans5
Design loadHS 20 + Mod
Structure length74 ft (22.6 m)
Longest span12 ft (3.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic503 (2021)
Projected traffic654 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Strasburg Road over Wolf Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Strasburg Road over Wolf Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Strasburg Road over Wolf Creek carry?

About 503 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Strasburg Road over Wolf Creek?

The structure is 74 ft (22.6 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns Strasburg Road over Wolf Creek?

It is owned by the County Highway Agency.